Rev Up Trouble-Free Fix Car Sputtering When Accelerating

Try increasing engine speed slowly in neutral, and if it starts to miss at the same RPM as 65 mph it may be too much vacuum advance. I had that ... Motor cold, hot or both? Part throttle acceleration is related to the actual engine (fuel/spark/air), EGR or O2 sensors. WOT acceleration is ... If you had an issue with a coil, it would be a misfire code. With that mileage, it really could be a lot of different issues. When was the last ... Faulty Spark Plugs: These tiny components ignite the fuel in your engine. When they malfunction, it can lead to sputtering, especially during ... I suspect the bad gas mileage is because your car is getting warm physically, but the ECU thinks its cold. You may also have some leaky fuel ... Bad gas. Drain and replace. You either filled up with tainted gas, or it has been sitting. Troy. '67 Coupe, built 289 C4 ... I would say that 50% of the time when accelerating up an on ramp, I can feel the car sputter, and on a 30-45 minute commute the car sputters 3 ... It can do this "sputtering" noise 5 times a second no problem. It gives you the feeling that it could be bad fuel not burning correctly or something. This sounds like a classic ignition misfire! They usually go bad under a load like under acceleration, but can be noticeable at any time. ... #sputter #sputtering Top Causes of engine sputtering Engine sputtering ... How To Fix Sputtering/Hesitation/Misfire under Acceleration on a 2005- ...